The number of kilocalories provided by one slice of bread that contains 30 g carbohydrate.3 g protein.and 1 g fat is _____ kcal.

Question

Quizplus · Accepted Answer

Calculate as follows: Carbohydrate provides 4 kcal/g.protein provides 4 kcal/g.and fat provides 9 kcal/g.Therefore:
30 g carbohydrate * 4 kcal/g = 120 kcal
3 g protein * 4 kcal/g = 12 kcal
1 g fat * 9 kcal/g = 9 kcal
= 141 total kcal (120 kcal + 12 kcal + 9 kcal)

The Number of Kilocalories Provided by One Slice of Bread